MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which are on disposable hosting or redirectors, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farm characteristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://catamma.ru/uplcv?utm_term=samsung+galaxy+grand+prime+numara+engelleme PDF link annotation
- http://airmon.hu/images/files/kamikewavenirunam.pdfIn PDF document text
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/638e48aeb790913cf0ab3866e79ae660/linadanaweworoniwawew.pdfIn PDF document text
- http://vietnam-intraco.com/webroot/img/files/nadapidimexazibatizu.pdfIn PDF document text
- http://balashixa.inhome360.ru/admin/ckfinder/userfiles/files/pogiwovigunogedepo.pdfIn PDF document text
- https://kimcert.org/E/file/31548496869.pdfIn PDF document text
- http://rinsacars.com/files/others/13975619518.pdfIn PDF document text
- http://rs-entp.com/upload/file/41051425889.pdfIn PDF document text
- https://noihoithanhtuan.com/media/ftp/file/mifesigejos.pdfIn PDF document text
- http://sp3siemianowice.pl/userFiles/files/29368650804.pdfIn PDF document text
- http://ylpqzl.com/ckfinder/userfiles/files/4097240122.pdfIn PDF document text
- https://nordavril.com/userfiles/file/14614886768.pdfIn PDF document text
- https://cemb.ca/upload/editor/file/keridore.pdfIn PDF document text
- http://gniortho.com/files/Upload/file/pukizatuve.pdfIn PDF document text
- http://firsttimehomebuyerstudy.com/images/file/velumosavujaruwigonaxepus.pdfIn PDF document text
- http://bancasemecanino.com/userfiles/files/vegap.pdfIn PDF document text
- http://handsonmontessoripk.com/userfiles/files/favovusut.pdfIn PDF document text
- http://citygclub.com/ckupload/files/34624100997.pdfIn PDF document text
- https://negaratoto.com/contents/files/nekasoponowawexuto.pdfIn PDF document text
- http://zamgph.com/uploads/file/132153587967.pdfIn PDF document text
- http://ansing.nl/userfiles/file/10143602030.pdfIn PDF document text
- https://ou-ravda.com/ckfinder/userfiles/files/16463890631.pdfIn PDF document text
- http://cayxaotamphan.net/userfiles/image/file/16611169775.pdfIn PDF document text
- http://thienminhgroup.com/uploads/userfiles/file/vamadefokevubugosusabo.pdfIn PDF document text
- https://samoinstitute.mn/uploads/assets/file/soxilejusawef.pdfIn PDF document text
- http://gustosandvic.com/ckfinder/userfiles/files/88780227731.pdfIn PDF document text
- https://damiel.eu/userfiles/file/xuvovobenusosevuxuwa.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b3b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3B8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cbca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBCA | 16116 bytes |
SHA-256: a5d1fa2cfc6b4bb7d990bd7e00192c919bfb866d31b9cfddfe018f2fc0baa79a |
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font_02_sfnt_off0000f4b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4B4 | 10908 bytes |
SHA-256: 425649cc6873018e51b5a903658f9e45f7fdd377be889944b2378207f5992cc8 |
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